package com.huidao.servlet.buyer;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.huidao.service.buyer.ShoppingCartService;
import com.huidao.service.buyer.ShoppingCartServiceImpl;

/**
 * Servlet implementation class UpdateShoppingCartServlet
 */
public class UpdateShoppingCartServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public UpdateShoppingCartServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String shoppingcart_id=request.getParameter("shoppingcart_id");
		String goods_num=request.getParameter("goods_num");
		String CurrentPage=request.getParameter("CurrentPage");
		ShoppingCartService ss=new ShoppingCartServiceImpl();
		String data=ss.updateGoods_num(Long.parseLong(shoppingcart_id), Integer.parseInt(goods_num));
		if("".equals(data)){
			response.sendRedirect("ShoppingCartListServlet?CurrentPage="+CurrentPage);
		}else{
			response.getWriter().print(data);
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

}
